| Cross Mountain, Butterbredt Peak, Sorrell Peak, Piute Lookout, Piute Mountain, Bald Eagle Peak, Sawtooth Peak |
30 May-1 June 1969 |
How Bailey |
| Cross Mountain, Butterbredt Peak, Mayan Peak, Nicolls Peak |
17-18 January 1970 |
How Bailey |
| Chuckwalla Mountain, Cross Mountain, Mayan Peak, Butterbredt Peak |
27 February 1988 |
John Sheldon |
| Cross Mountain, Butterbredt Peak |
1 April 1989 (K2 and J2) |
Jim Adler |
| Butterbredt Peak, Mayan Peak, Onyx Peak #2 |
27 January 1990 |
Frank Dobos |
| Chuckwalla Mountain, Cross Mountain, Butterbredt Peak, Mayan Peak |
10 March 1990 |
Patty Kline |
| Butterbredt Peak, Cross Mountain |
12 January 1991 |
Jack Trager |
| Red Mountain, Black Mountain #6, Butterbredt Peak, Mayan Peak |
16 February 1991 |
Alan Coles |
| Butterbredt Peak, Mayan Peak, Onyx Peak #2 , Skinner Peak |
16 November 1991 |
David Jensen |
| Chuckwalla Mountain, Cross Mountain, Butterbredt Peak, Mayan Peak |
25 January 1992 |
David Eisenberg |
| Chuckwalla Mountain, Cross Mountain, Butterbredt Peak, Mayan Peak, Skinner Peak, Black Mountain #6, Red Mountain |
13 February 1993 |
George Schroedter |
| Butterbredt Peak (HPS), Glass Mountain Ridge (DPS), Mount Morrison (SPS) |
16 September 1994 (DPS private trip) |
Tom Sumner |
| Cross Mountain, Chuckwalla Mountain, Butterbredt Peak, Mayan Peak |
10 April 1999 |
Joe Young |